UnsupportedOperationError class
class UnsupportedOperationError extends Error {
 final message;
 /** The [message] describes the erroneous argument. */
 UnsupportedOperationError([this.message]);
 String toString() {
   if (message != null) {
     return "Not supported operation: $message";
   }
   return "Not supported operation";
 }
}
Extends
Error > UnsupportedOperationError
Constructors
new UnsupportedOperationError([message]) #
The message describes the erroneous argument.
UnsupportedOperationError([this.message]);
Properties
final message #
final message
Methods
String toString() #
Returns a string representation of this object.
docs inherited from Object 
String toString() {
 if (message != null) {
   return "Not supported operation: $message";
 }
 return "Not supported operation";
}